Win32/TrojanDownloader.Autoit.NRZ

What is the Win32:Evo-gen [Trj] virus?
Written by Robert Bailey

What is Win32/TrojanDownloader.Autoit.NRZ infection?

In this article you will certainly discover concerning the interpretation of Win32/TrojanDownloader.Autoit.NRZ and also its adverse effect on your computer system. Such ransomware are a type of malware that is elaborated by on-line scams to require paying the ransom by a sufferer.

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Most of the cases, Win32/TrojanDownloader.Autoit.NRZ infection will advise its targets to initiate funds move for the purpose of counteracting the changes that the Trojan infection has introduced to the sufferer’s device.

Win32/TrojanDownloader.Autoit.NRZ Summary

These alterations can be as adheres to:

  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • The executable is compressed using UPX;
  • Uses Windows utilities for basic functionality;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to disable UAC.

    User Account Control or just UAC is a part of the Windows security system which prevents apps from making unwanted changes on PC.

    UAC includes several technologies 1:

    • File and egistry Virtualization;
    • Same-desktop Elevation;
    • Filtered Token;
    • User Interface Privilege Isolation;
    • Protected Mode Internet Explorer;
    • Installer Detection;
  • Ciphering the papers located on the victim’s hard disk drive — so the sufferer can no longer use the data;
  • Preventing routine accessibility to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Win32/TrojanDownloader.Autoit.NRZ

One of the most normal channels through which Win32/TrojanDownloader.Autoit.NRZ Trojans are injected are:

  • By ways of phishing e-mails;
  • As a consequence of user ending up on a source that organizes a malicious software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the information on the victim’s PC or stop the tool from working in a proper fashion – while likewise positioning a ransom note that points out the need for the sufferers to impact the repayment for the objective of decrypting the papers or recovering the file system back to the initial problem. In a lot of circumstances, the ransom note will turn up when the customer restarts the COMPUTER after the system has currently been harmed.

Win32/TrojanDownloader.Autoit.NRZ circulation networks.

In various corners of the world, Win32/TrojanDownloader.Autoit.NRZ grows by jumps and also bounds. Nonetheless, the ransom money notes and also methods of extorting the ransom money amount might differ relying on specific regional (local) setups. The ransom money notes as well as techniques of extorting the ransom money quantity might differ depending on particular local (local) setups.

Ransomware injection

For example:

    Faulty signals concerning unlicensed software application.

    In specific areas, the Trojans often wrongfully report having found some unlicensed applications made it possible for on the target’s tool. The sharp then requires the user to pay the ransom.

    Faulty declarations concerning unlawful web content.

    In nations where software application piracy is much less preferred, this approach is not as effective for the cyber fraudulences. Conversely, the Win32/TrojanDownloader.Autoit.NRZ popup alert might incorrectly declare to be deriving from a police institution as well as will certainly report having situated child pornography or various other illegal data on the tool.

    Win32/TrojanDownloader.Autoit.NRZ popup alert may incorrectly claim to be obtaining from a regulation enforcement institution and also will certainly report having situated youngster pornography or other illegal information on the device. The alert will likewise contain a need for the customer to pay the ransom money.

Technical details

File Info:

crc32: B3072A00
md5: 86a62f9da83790e6df10e3944545d970
name: 86A62F9DA83790E6DF10E3944545D970.mlw
sha1: 628af126001cb40710cd99ed5ae3ce52254a6193
sha256: 2670c02181d8b067094f6dfb61ff7cdb1cbebc8e5eb310e9efa1a1109e6eaecd
sha512: 9f11ceb515845e23a3a40a337d9c5e3263c162e5de5b52d48852b64e967765c771b6d558fec68ecfb401a5f9eceaef501e5998e2ecf4a6ef386c0905074c1524
ssdeep: 12288:uXe9PPlowWX0t6mOQwg1Qd15CcYk0We1qRMr/oYpOySic0jL:DhloDX0XOf48ijoyfX
type: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Adobe
ProductVersion: 3.3.10.2
FileVersion: 13.0.2.1
Comments: http://www.autoitscript.com/autoit3/
FileDescription: Flash Player
Translation: 0x0809 0x04b0

Win32/TrojanDownloader.Autoit.NRZ also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware2
MicroWorld-eScanTrojan.GenericKD.43730470
FireEyeTrojan.GenericKD.43730470
ALYacTrojan.GenericKD.43730470
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
AegisLabTrojan.Win32.Blocker.j!c
K7AntiVirusTrojan-Downloader ( 0055e3da1 )
BitDefenderTrojan.GenericKD.43730470
K7GWTrojan-Downloader ( 0055e3da1 )
Cybereasonmalicious.da8379
SymantecML.Attribute.HighConfidence
APEXMalicious
Paloaltogeneric.ml
KasperskyTrojan-Ransom.Win32.Blocker.emka
AlibabaRansom:Win32/Blocker.f6fda3f2
NANO-AntivirusTrojan.Win32.Blocker.dacgdv
Ad-AwareTrojan.GenericKD.43730470
EmsisoftTrojan.GenericKD.43730470 (B)
ComodoMalware@#20vvve4vl6oq0
F-SecureHeuristic.HEUR/AGEN.1114577
DrWebTrojan.FakeAV.19179
ZillyaTrojan.Blocker.Win32.19626
McAfee-GW-EditionBehavesLike.Win32.TrojanAitInject.hc
SophosMal/Generic-S
IkarusTrojan-Ransom.Blocker
WebrootTrojan.Dropper.Gen
AviraHEUR/AGEN.1114577
MAXmalware (ai score=100)
Antiy-AVLTrojan/Win32.Inject
MicrosoftTrojan:Win32/Ymacco.AA07
ArcabitTrojan.Generic.D29B4626
AhnLab-V3Malware/Win32.Generic.C430522
ZoneAlarmTrojan-Ransom.Win32.Blocker.emka
GDataTrojan.GenericKD.43730470
CynetMalicious (score: 85)
ESET-NOD32a variant of Win32/TrojanDownloader.Autoit.NRZ
McAfeeArtemis!86A62F9DA837
VBA32TrojanRansom.Blocker
MalwarebytesMalware.Heuristic.1003
TencentMalware.Win32.Gencirc.114bbca7
eGambitUnsafe.AI_Score_99%
FortinetW32/Blocker.EMKA!tr
Qihoo-360Win32/Ransom.Blocker.HgIASOgA
PandaTrj/OCJ.F

How to remove Win32/TrojanDownloader.Autoit.NRZ virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
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There is no better way to recognize, remove and prevent PC threats than to use an anti-malware software from GridinSoft3.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

GridinSoft Anti-Malware Setup

Press “Install” button.

GridinSoft Anti-Malware Install

Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Win32/TrojanDownloader.Autoit.NRZ files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Win32/TrojanDownloader.Autoit.NRZ you can always ask me in the comments for getting help.

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References

  1. Microsoft Ignite: How to disable User Account Control (UAC) on Windows Server
  2. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  3. More information about GridinSoft products: https://gridinsoft.com/comparison

About the author

Robert Bailey

I'm Robert Bailey, a passionate Security Engineer with a deep fascination for all things related to malware, reverse engineering, and white hat ethical hacking.

As a white hat hacker, I firmly believe in the power of ethical hacking to bolster security measures. By identifying vulnerabilities and providing solutions, I contribute to the proactive defense of digital infrastructures.

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